APES Unit 3

Front

What is a population?

Back

All members of one species in one area.

Tags

NGSS.MS-LS4-4

Front

What does a lower birth rate indicate about a country’s development?

Back

It indicates that the country is more developed.

Front

What is the population growth trend in Stage 2 of demographic transition?

Back

The total population is growing quickly.

Tags

NGSS.MS-ESS3-4

Front

What is Type III survivorship?

Back

A pattern of survival where there is low survivorship early in life, with few individuals reaching adulthood.

Front

What do population pyramids measure?

Back

They measure age and gender.

Front

Define carrying capacity.

Back

The maximum number of individuals of a species that an environment can support sustainably.

Tags

NGSS.MS-LS2-4

Front

What is the difference between density-dependent and density-independent factors?

Back

Density-dependent factors are influenced by population density (e.g., competition, predation), while density-independent factors affect populations regardless of density (e.g., natural disasters).

Tags

NGSS.MS-LS2-4

Front

What is the significance of the demographic transition model?

Back

It illustrates the transition of a country from high birth and death rates to low birth and death rates as it develops economically.

Front

What is a keystone species?

Back

A species that has a disproportionately large effect on its environment relative to its abundance.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Front

What is the difference between r-selected and K-selected species?

Back

r-selected species produce many offspring with low parental care, while K-selected species produce fewer offspring with high parental care.